@font-face {
  font-family: 'iconfont';
  src: url('iconfont.eot');
  src: url('iconfont.eot?#iefix') format('embedded-opentype'), url('iconfont.woff2') format('woff2'), url('iconfont.woff') format('woff'), url('iconfont.ttf') format('truetype'), url('iconfont.svg#iconfont') format('svg');
}
.banner {
  background-image: url(../images/bg_red.png);
  height: 200px;
}
.w {
  position: relative;
}
.dropdown {
  font-size: 16px;
  position: absolute;
  top: 252px;
  right: 143px;
}
.dropdown .dt {
  width: 200px;
  height: 47px;
  line-height: 47px;
  text-align: center;
  background-color: #fff;
  color: #00A4FF;
  border-bottom: 1px dotted #000;
}
.dropdown .dd {
  height: 100%;
  width: 200px;
}
.dropdown .dd div {
  padding-top: 10px;
  text-align: center;
  margin-bottom: 20px;
}
.dropdown .dd div img {
  margin-top: 10px;
  width: 100px;
  height: 100px;
  border: 1px solid #a7a7a7;
  border-radius: 50%;
  cursor: pointer;
}
.dropdown .dd div p {
  margin: 2px;
}
.dropdown .dd ul li {
  text-align: center;
  margin: 20px 0;
  color: #363434;
  border-bottom: 1px solid rgba(0, 0, 0, 0.075);
  cursor: pointer;
}
.dropdown .dd ul li span {
  margin: 0 40px;
}
.dropdown .dd ul li em {
  font-style: normal;
}
.dropdown .dd ul .current {
  color: #00A4FF;
}
.content {
  padding-left: 220px;
}
.content .course {
  width: 100%;
  height: 540px;
  background-color: #f3f3f7;
}
.content .course .cent {
  width: 70%;
  margin-left: 20px;
}
.content .course .cent .blu {
  height: 50px;
  line-height: 50px;
  padding-left: 10px;
  color: #00a4ff;
}
.content .course .cent .centt {
  height: 100px;
  background-color: #fff;
}
.content .course .cent .centt .centta {
  display: inline-block;
  width: 80px;
  height: 80px;
  margin: 10px;
  border: 1px dotted rgba(0, 0, 0, 0.3);
}
.content .course .cent .centt .centta img {
  width: 100%;
  height: 100%;
}
.content .course .cent .centt h5 {
  display: inline-block;
  vertical-align: top;
  margin-top: 20px;
}
.content .course .cent .centt h5 a {
  padding-left: 8px;
  font-size: 12px;
  color: #00a4ff;
}
.content .course .cent .centc > h5,
.content .course .cent .centf > h5 {
  height: 50px;
  line-height: 50px;
  padding-left: 10px;
  color: #00a4ff;
}
.content .course .cent .centc h5 span,
.content .course .cent .centf h5 span {
  padding-left: 20px;
  font-size: 12px;
  color: peru;
}
.content .course .cent .centc ul,
.content .course .cent .centf ul {
  height: 180px;
  background-color: #fff;
  padding: 20px 20px 20px 30px;
}
.content .course .cent .centc ul li,
.content .course .cent .centf ul li {
  position: relative;
  margin-bottom: 20px;
}
.content .course .cent .centc ul li .set,
.content .course .cent .centf ul li .set {
  display: inline;
  color: #a7a7a7;
  background-color: #fff;
}
.content .course .cent .centc ul li .lin,
.content .course .cent .centf ul li .lin {
  display: inline-block;
  vertical-align: middle;
}
.content .course .cent .centc ul li .lin h4,
.content .course .cent .centf ul li .lin h4 {
  font-size: 14px;
}
.content .course .cent .centc ul li .lin h4 b,
.content .course .cent .centf ul li .lin h4 b {
  padding-left: 15px;
  font-size: 12px;
  font-weight: 400;
  color: #a7a7a7;
}
.content .course .cent .centc ul li .lin p,
.content .course .cent .centf ul li .lin p {
  padding-top: 2px;
  font-size: 12px;
  color: #a7a7a7;
}
.content .course .cent .centc ul li a,
.content .course .cent .centf ul li a {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 60px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  border: 1px solid #a7a7a7;
  font-size: 12px;
  color: #a7a7a7;
}
.content .course .cent .centf ul {
  height: 80px!important;
}
.content .order {
  width: 100%;
  height: 400px;
  background-color: peru;
  display: none;
}
.content .news {
  width: 100%;
  height: 400px;
  background-color: blanchedalmond;
  display: none;
}
.content .collect {
  width: 100%;
  height: 400px;
  background-color: orange;
  display: none;
}
.content .set {
  width: 100%;
  height: 400px;
  background-color: pink;
  display: none;
}
